EPA Method 551.1 - Analytes Mix “A”

Azinphos methyl

n-Pentyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6521-29-5

Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL,